From 7f55f876c91e35c70bf78ea2591d219120b448ff Mon Sep 17 00:00:00 2001
From: thewh1teagle <61390950+thewh1teagle@users.noreply.github.com>
Date: Fri, 30 Aug 2024 03:11:07 +0300
Subject: [PATCH 1/3] feat: add usage example

---
 Cargo.lock                 |  9 +++++++++
 cargo.toml                 |  5 +++--
 examples/usage/Cargo.toml  |  9 +++++++++
 examples/usage/src/main.rs | 35 +++++++++++++++++++++++++++++++++++
 4 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 examples/usage/Cargo.toml
 create mode 100644 examples/usage/src/main.rs

diff --git a/Cargo.lock b/Cargo.lock
index 041efed..4f81ca0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2394,6 +2394,15 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "usage"
+version = "0.1.0"
+dependencies = [
+ "ort",
+ "sonata-piper",
+ "sonata-synth",
+]
+
 [[package]]
 name = "utf8parse"
 version = "0.2.1"
diff --git a/cargo.toml b/cargo.toml
index b8fd252..4099bfd 100644
--- a/cargo.toml
+++ b/cargo.toml
@@ -13,8 +13,9 @@ members = [
     "espeak-phonemizer",
     "libtorch-inference",
     "sonic-sys",
-    "audio-ops"
-]
+    "audio-ops",
+    "examples/usage"
+, "examples/usage"]
 
 [patch.crates-io]
 libtashkeel_base = { path = "./deps/libtashkeel/libtashkeel_base" }
diff --git a/examples/usage/Cargo.toml b/examples/usage/Cargo.toml
new file mode 100644
index 0000000..b33ea64
--- /dev/null
+++ b/examples/usage/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "usage"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+sonata-piper = { path = "../../sonata/models/piper" }
+sonata-synth = { version = "0.2.0", path = "../../sonata/synth" }
+ort = "2.0.0-rc.1"
diff --git a/examples/usage/src/main.rs b/examples/usage/src/main.rs
new file mode 100644
index 0000000..2a8ef34
--- /dev/null
+++ b/examples/usage/src/main.rs
@@ -0,0 +1,35 @@
+/*
+git clone --recursive https://github.com/mush42/sonata
+cd sonata
+
+wget https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/hfc_female/medium/en_US-hfc_female-medium.onnx
+wget https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/hfc_female/medium/en_US-hfc_female-medium.onnx.json
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/espeak-ng-data.tar.bz2
+tar xf espeak-ng-data.tar.bz2
+export ESPEAK_DATA_PATH=$(pwd)/espeak-ng-data
+
+cargo run en_US-hfc_female-medium.onnx.json output.wav
+*/
+
+use sonata_synth::SonataSpeechSynthesizer;
+use std::path::Path;
+
+fn init_ort_environment() {
+    ort::init()
+        .with_name("sonata")
+        .with_execution_providers([ort::ExecutionProviderDispatch::CPU(Default::default())])
+        .commit()
+        .expect("Failed to initialize onnxruntime");
+}
+
+fn main() {
+    init_ort_environment();
+    let config_path = std::env::args().nth(1).expect("Please specify config path");
+    let output_path = std::env::args().nth(2).expect("Please specify output path");
+    let text = "Hello! this is example with sonata".to_string();
+    let voice = sonata_piper::from_config_path(Path::new(&config_path)).unwrap();
+    let synth = SonataSpeechSynthesizer::new(voice).unwrap();
+    synth
+        .synthesize_to_file(Path::new(&output_path), text, None)
+        .unwrap();
+}

From d55892156c72b71948bf0b737950d45368e7019a Mon Sep 17 00:00:00 2001
From: thewh1teagle <61390950+thewh1teagle@users.noreply.github.com>
Date: Fri, 30 Aug 2024 03:11:23 +0300
Subject: [PATCH 2/3] chore: update gitignore

---
 .gitignore | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index af3ca5e..a2ed50d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -69,4 +69,11 @@ docs/_build/
 .vscode/
 
 # Pyenv
-.python-version
\ No newline at end of file
+.python-version
+
+# Assets
+*.onnx
+espeak-ng-data/
+*.onnx.json
+*.tar.bz2
+*.wav
\ No newline at end of file

From 92a85d2293757d015e54566c7de3a598d0371c76 Mon Sep 17 00:00:00 2001
From: thewh1teagle <61390950+thewh1teagle@users.noreply.github.com>
Date: Sat, 31 Aug 2024 02:13:51 +0300
Subject: [PATCH 3/3] feat: add play example

---
 Cargo.lock                | 600 +++++++++++++++++++++++++++++++++++++-
 cargo.toml                |   3 +-
 examples/play/Cargo.toml  |  10 +
 examples/play/src/main.rs |  46 +++
 4 files changed, 656 insertions(+), 3 deletions(-)
 create mode 100644 examples/play/Cargo.toml
 create mode 100644 examples/play/src/main.rs

diff --git a/Cargo.lock b/Cargo.lock
index 4f81ca0..57cdcad 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -37,6 +37,28 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "alsa"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed7572b7ba83a31e20d1b48970ee402d2e3e0537dcfe0a3ff4d6eb7508617d43"
+dependencies = [
+ "alsa-sys",
+ "bitflags 2.5.0",
+ "cfg-if",
+ "libc",
+]
+
+[[package]]
+name = "alsa-sys"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db8fee663d06c4e303404ef5f40488a53e062f89ba8bfed81f42325aafad1527"
+dependencies = [
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.13"
@@ -91,6 +113,12 @@ version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f538837af36e6f6a9be0faa67f9a314f8119e4e4b5867c6ab40ed60360142519"
 
+[[package]]
+name = "arrayvec"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+
 [[package]]
 name = "async-stream"
 version = "0.3.5"
@@ -241,6 +269,26 @@ dependencies = [
  "shlex",
 ]
 
+[[package]]
+name = "bindgen"
+version = "0.69.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a00dc851838a2120612785d195287475a3ac45514741da670b735818822129a0"
+dependencies = [
+ "bitflags 2.5.0",
+ "cexpr",
+ "clang-sys",
+ "itertools",
+ "lazy_static",
+ "lazycell",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 2.0.59",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.5.3"
@@ -277,6 +325,18 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
+[[package]]
+name = "bytemuck"
+version = "1.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773d90827bc3feecfb67fab12e24de0749aad83c74b9504ecde46237b5cd24e2"
+
 [[package]]
 name = "byteorder"
 version = "0.5.3"
@@ -345,6 +405,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cesu8"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
+
 [[package]]
 name = "cexpr"
 version = "0.6.0"
@@ -378,6 +444,7 @@ checksum = "67523a3b4be3ce1989d607a828d036249522dd9c1c8de7f4dd2dae43a37369d1"
 dependencies = [
  "glob",
  "libc",
+ "libloading",
 ]
 
 [[package]]
@@ -445,6 +512,12 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
 
+[[package]]
+name = "claxon"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bfbf56724aa9eca8afa4fcfadeb479e722935bb2a0900c2d37e0cc477af0688"
+
 [[package]]
 name = "cmake"
 version = "0.1.50"
@@ -460,6 +533,16 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
+[[package]]
+name = "combine"
+version = "4.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba5a308b75df32fe02788e748662718f03fde005016435c444eea572398219fd"
+dependencies = [
+ "bytes",
+ "memchr",
+]
+
 [[package]]
 name = "condtype"
 version = "1.3.0"
@@ -472,6 +555,55 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
+[[package]]
+name = "coreaudio-rs"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "321077172d79c662f64f5071a03120748d5bb652f5231570141be24cfcd2bace"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation-sys",
+ "coreaudio-sys",
+]
+
+[[package]]
+name = "coreaudio-sys"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f01585027057ff5f0a5bf276174ae4c1594a2c5bde93d5f46a016d76270f5a9"
+dependencies = [
+ "bindgen 0.69.4",
+]
+
+[[package]]
+name = "cpal"
+version = "0.15.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "873dab07c8f743075e57f524c583985fbaf745602acbe916a01539364369a779"
+dependencies = [
+ "alsa",
+ "core-foundation-sys",
+ "coreaudio-rs",
+ "dasp_sample",
+ "jni",
+ "js-sys",
+ "libc",
+ "mach2",
+ "ndk",
+ "ndk-context",
+ "oboe",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.12"
@@ -531,6 +663,12 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "dasp_sample"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c87e182de0887fd5361989c677c4e8f5000cd9491d6d563161a8f3a5519fc7f"
+
 [[package]]
 name = "deranged"
 version = "0.3.11"
@@ -582,6 +720,15 @@ version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a47c1c47d2f5964e29c61246e81db715514cd532db6b5116a25ea3c03d6780a2"
 
+[[package]]
+name = "encoding_rs"
+version = "0.8.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b45de904aa0b010bce2ab45264d0631681847fa7b6f2eaa7dab7619943bc4f59"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "env_logger"
 version = "0.10.2"
@@ -856,6 +1003,12 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "hound"
+version = "3.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62adaabb884c94955b19907d60019f4e145d091c75345379e70d1ee696f7854f"
+
 [[package]]
 name = "http"
 version = "0.2.12"
@@ -1003,6 +1156,28 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
+[[package]]
+name = "jni"
+version = "0.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a87aa2bb7d2af34197c04845522473242e1aa17c12f4935d5856491a7fb8c97"
+dependencies = [
+ "cesu8",
+ "cfg-if",
+ "combine",
+ "jni-sys",
+ "log",
+ "thiserror",
+ "walkdir",
+ "windows-sys 0.45.0",
+]
+
+[[package]]
+name = "jni-sys"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
+
 [[package]]
 name = "jobserver"
 version = "0.1.30"
@@ -1012,6 +1187,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "js-sys"
+version = "0.3.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1868808506b929d7b0cfa8f75951347aa71bb21144b7791bae35d9bccfcfe37a"
+dependencies = [
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -1024,6 +1208,17 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
+[[package]]
+name = "lewton"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "777b48df9aaab155475a83a7df3070395ea1ac6902f5cd062b8f2b028075c030"
+dependencies = [
+ "byteorder 1.5.0",
+ "ogg",
+ "tinyvec",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.153"
@@ -1037,7 +1232,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c2a198fb6b0eada2a8df47933734e6d35d350665a33a3593d7164fa52c75c19"
 dependencies = [
  "cfg-if",
- "windows-targets 0.48.5",
+ "windows-targets 0.52.5",
 ]
 
 [[package]]
@@ -1114,6 +1309,15 @@ version = "0.4.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
 
+[[package]]
+name = "mach2"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b955cdeb2a02b9117f121ce63aa52d08ade45de53e48fe6a38b39c10f6f709"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "matchit"
 version = "0.7.3"
@@ -1196,6 +1400,35 @@ dependencies = [
  "rawpointer",
 ]
 
+[[package]]
+name = "ndk"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2076a31b7010b17a38c01907c45b945e8f11495ee4dd588309718901b1f7a5b7"
+dependencies = [
+ "bitflags 2.5.0",
+ "jni-sys",
+ "log",
+ "ndk-sys",
+ "num_enum",
+ "thiserror",
+]
+
+[[package]]
+name = "ndk-context"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27b02d87554356db9e9a873add8782d4ea6e3e58ea071a9adb9a2e8ddb884a8b"
+
+[[package]]
+name = "ndk-sys"
+version = "0.5.0+25.2.9519653"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c196769dd60fd4f363e11d948139556a344e79d451aeb2fa2fd040738ef7691"
+dependencies = [
+ "jni-sys",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -1221,6 +1454,17 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
 
+[[package]]
+name = "num-derive"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.59",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.46"
@@ -1249,6 +1493,27 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_enum"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e613fc340b2220f734a8595782c551f1250e969d87d3be1ae0579e8d4065179"
+dependencies = [
+ "num_enum_derive",
+]
+
+[[package]]
+name = "num_enum_derive"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af1844ef2428cc3e1cb900be36181049ef3d3193c63e43026cfe202983b27a56"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.59",
+]
+
 [[package]]
 name = "object"
 version = "0.32.2"
@@ -1258,6 +1523,38 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "oboe"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8b61bebd49e5d43f5f8cc7ee2891c16e0f41ec7954d36bcb6c14c5e0de867fb"
+dependencies = [
+ "jni",
+ "ndk",
+ "ndk-context",
+ "num-derive",
+ "num-traits",
+ "oboe-sys",
+]
+
+[[package]]
+name = "oboe-sys"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c8bb09a4a2b1d668170cfe0a7d5bc103f8999fb316c98099b6a9939c9f2e79d"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "ogg"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6951b4e8bf21c8193da321bcce9c9dd2e13c858fe078bf9054a288b419ae5d6e"
+dependencies = [
+ "byteorder 1.5.0",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.19.0"
@@ -1402,6 +1699,16 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
+[[package]]
+name = "play"
+version = "0.1.0"
+dependencies = [
+ "ort",
+ "rodio",
+ "sonata-piper",
+ "sonata-synth",
+]
+
 [[package]]
 name = "portable-atomic"
 version = "1.6.0"
@@ -1430,6 +1737,15 @@ dependencies = [
  "syn 2.0.59",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ecf48c7ca261d60b74ab1a7b20da18bede46776b2e55535cb958eb595c5fa7b"
+dependencies = [
+ "toml_edit",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.81"
@@ -1688,6 +2004,20 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "rodio"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6006a627c1a38d37f3d3a85c6575418cfe34a5392d60a686d0071e1c8d427acb"
+dependencies = [
+ "claxon",
+ "cpal",
+ "hound",
+ "lewton",
+ "symphonia",
+ "thiserror",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -1766,6 +2096,15 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -1945,7 +2284,7 @@ dependencies = [
 name = "sonic-sys"
 version = "1.0.0"
 dependencies = [
- "bindgen",
+ "bindgen 0.59.2",
  "cc",
 ]
 
@@ -1976,6 +2315,55 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
+[[package]]
+name = "symphonia"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "815c942ae7ee74737bb00f965fa5b5a2ac2ce7b6c01c0cc169bbeaf7abd5f5a9"
+dependencies = [
+ "lazy_static",
+ "symphonia-bundle-mp3",
+ "symphonia-core",
+ "symphonia-metadata",
+]
+
+[[package]]
+name = "symphonia-bundle-mp3"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c01c2aae70f0f1fb096b6f0ff112a930b1fb3626178fba3ae68b09dce71706d4"
+dependencies = [
+ "lazy_static",
+ "log",
+ "symphonia-core",
+ "symphonia-metadata",
+]
+
+[[package]]
+name = "symphonia-core"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "798306779e3dc7d5231bd5691f5a813496dc79d3f56bf82e25789f2094e022c3"
+dependencies = [
+ "arrayvec",
+ "bitflags 1.3.2",
+ "bytemuck",
+ "lazy_static",
+ "log",
+]
+
+[[package]]
+name = "symphonia-metadata"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc622b9841a10089c5b18e99eb904f4341615d5aa55bbf4eedde1be721a4023c"
+dependencies = [
+ "encoding_rs",
+ "lazy_static",
+ "log",
+ "symphonia-core",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -2201,6 +2589,23 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "toml_datetime"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+
+[[package]]
+name = "toml_edit"
+version = "0.22.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "583c44c02ad26b0c3f3066fe629275e50627026c51ac2e595cca4c230ce1ce1d"
+dependencies = [
+ "indexmap 2.2.6",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tonic"
 version = "0.11.0"
@@ -2425,6 +2830,16 @@ dependencies = [
  "sonata-core",
 ]
 
+[[package]]
+name = "walkdir"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "want"
 version = "0.3.1"
@@ -2440,6 +2855,83 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a82edfc16a6c469f5f44dc7b571814045d60404b55a0ee849f9bcfa2e63dd9b5"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9de396da306523044d3302746f1208fa71d7532227f15e347e2d93e4145dd77b"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.59",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61e9300f63a621e96ed275155c108eb6f843b6a26d053f122ab69724559dc8ed"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "585c4c91a46b072c92e908d99cb1dcdf95c5218eeb6f3bf1efa991ee7a68cccf"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afc340c74d9005395cf9dd098506f7f44e38f2b4a21c6aaacf9a105ea5e1e836"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.59",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c62a0a307cb4a311d3a07867860911ca130c3494e8c2719593806c08bc5d0484"
+
+[[package]]
+name = "web-sys"
+version = "0.3.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26fdeaafd9bd129f65e7c031593c24d62186301e0c72c8978fa1678be7d532c0"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "webpki-roots"
 version = "0.26.1"
@@ -2480,6 +2972,44 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.54.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9252e5725dbed82865af151df558e754e4a3c2c30818359eb17465f1346a1b49"
+dependencies = [
+ "windows-core",
+ "windows-targets 0.52.5",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.54.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12661b9c89351d684a50a8a643ce5f608e20243b9fb84687800163429f161d65"
+dependencies = [
+ "windows-result",
+ "windows-targets 0.52.5",
+]
+
+[[package]]
+name = "windows-result"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e383302e8ec8515204254685643de10811af0ed97ea37210dc26fb0032647f8"
+dependencies = [
+ "windows-targets 0.52.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.45.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
+dependencies = [
+ "windows-targets 0.42.2",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -2498,6 +3028,21 @@ dependencies = [
  "windows-targets 0.52.5",
 ]
 
+[[package]]
+name = "windows-targets"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
+dependencies = [
+ "windows_aarch64_gnullvm 0.42.2",
+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.48.5"
@@ -2529,6 +3074,12 @@ dependencies = [
  "windows_x86_64_msvc 0.52.5",
 ]
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.48.5"
@@ -2541,6 +3092,12 @@ version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7088eed71e8b8dda258ecc8bac5fb1153c5cffaf2578fc8ff5d61e23578d3263"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.5"
@@ -2553,6 +3110,12 @@ version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9985fd1504e250c615ca5f281c3f7a6da76213ebd5ccc9561496568a2752afb6"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.5"
@@ -2571,6 +3134,12 @@ version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "87f4261229030a858f36b459e748ae97545d6f1ec60e5e0d6a3d32e0dc232ee9"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.5"
@@ -2583,6 +3152,12 @@ version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db3c2bf3d13d5b658be73463284eaf12830ac9a26a90c717b7f771dfe97487bf"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.5"
@@ -2595,6 +3170,12 @@ version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4e4246f76bdeff09eb48875a0fd3e2af6aada79d409d33011886d3e1581517d9"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.5"
@@ -2607,6 +3188,12 @@ version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "852298e482cd67c356ddd9570386e2862b5673c85bd5f88df9ab6802b334c596"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.5"
@@ -2619,6 +3206,15 @@ version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
 
+[[package]]
+name = "winnow"
+version = "0.6.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68a9bda4691f099d435ad181000724da8e5899daa10713c2d432552b9ccd3a6f"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "xattr"
 version = "1.3.1"
diff --git a/cargo.toml b/cargo.toml
index 4099bfd..1afb6fd 100644
--- a/cargo.toml
+++ b/cargo.toml
@@ -14,7 +14,8 @@ members = [
     "libtorch-inference",
     "sonic-sys",
     "audio-ops",
-    "examples/usage"
+    "examples/usage",
+    "examples/play"
 , "examples/usage"]
 
 [patch.crates-io]
diff --git a/examples/play/Cargo.toml b/examples/play/Cargo.toml
new file mode 100644
index 0000000..7f66b19
--- /dev/null
+++ b/examples/play/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "play"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+sonata-piper = { path = "../../sonata/models/piper" }
+sonata-synth = { version = "0.2.0", path = "../../sonata/synth" }
+ort = "2.0.0-rc.1"
+rodio = "0.19.0"
diff --git a/examples/play/src/main.rs b/examples/play/src/main.rs
new file mode 100644
index 0000000..f7c442e
--- /dev/null
+++ b/examples/play/src/main.rs
@@ -0,0 +1,46 @@
+/*
+git clone --recursive https://github.com/mush42/sonata
+cd sonata
+
+wget https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/hfc_female/medium/en_US-hfc_female-medium.onnx
+wget https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/hfc_female/medium/en_US-hfc_female-medium.onnx.json
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/espeak-ng-data.tar.bz2
+tar xf espeak-ng-data.tar.bz2
+export ESPEAK_DATA_PATH=$(pwd)/espeak-ng-data
+
+cargo run en_US-hfc_female-medium.onnx.json
+*/
+
+use rodio::buffer::SamplesBuffer;
+use sonata_synth::SonataSpeechSynthesizer;
+use std::path::Path;
+
+fn init_ort_environment() {
+    ort::init()
+        .with_name("sonata")
+        .with_execution_providers([ort::ExecutionProviderDispatch::CPU(Default::default())])
+        .commit()
+        .expect("Failed to initialize onnxruntime");
+}
+
+fn main() {
+    init_ort_environment();
+    let config_path = std::env::args().nth(1).expect("Please specify config path");
+    let text = "Hello! i'm playing audio from memory directly.".to_string();
+
+    let voice = sonata_piper::from_config_path(Path::new(&config_path)).unwrap();
+    let synth = SonataSpeechSynthesizer::new(voice).unwrap();
+    let mut samples: Vec<f32> = Vec::new();
+    let audio = synth.synthesize_parallel(text,  None).unwrap();
+    for result in audio {
+        samples.append(&mut result.unwrap().into_vec());
+    }
+        
+    let (_stream, handle) = rodio::OutputStream::try_default().unwrap();
+    let sink = rodio::Sink::try_new(&handle).unwrap();
+
+    let buf = SamplesBuffer::new(1, 22050, samples);
+    sink.append(buf);
+
+    sink.sleep_until_end();
+}