diff --git a/dev-python/expecttest/Manifest b/dev-python/expecttest/Manifest
new file mode 100644
index 00000000000..3b5dd113626
--- /dev/null
+++ b/dev-python/expecttest/Manifest
@@ -0,0 +1 @@
+DIST expecttest-0.3.0.gh.tar.gz 16627 BLAKE2B 02a8c41b996dc16d77c711cf023ee18cd97b6a2bb5bd13e80a6c195b18cf8b795a2b71d62b281d62da897d21b61a868f41af17746e849ec3c0f676c13bf7261a SHA512 3627255e9bfd2e2df9cff8026de8d3bf4997a50fc838c09b147b8becbf35f64b97da19e3606b239df4ee2e68018497aa44fef2f02d2cb980ec1d4e38e83f6d50
diff --git a/dev-python/expecttest/expecttest-0.3.0.ebuild b/dev-python/expecttest/expecttest-0.3.0.ebuild
new file mode 100644
index 00000000000..832ce943eb9
--- /dev/null
+++ b/dev-python/expecttest/expecttest-0.3.0.ebuild
@@ -0,0 +1,28 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=poetry
+PYTHON_COMPAT=( python3_{11..12} )
+
+inherit distutils-r1
+
+DESCRIPTION="This library implements expect tests (also known as \"golden\" tests)"
+HOMEPAGE="https://github.com/pytorch/expecttest"
+SRC_URI="
+	https://github.com/pytorch/expecttest/archive/v${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+
+RDEPEND="
+	>=dev-python/flake8-7.0.0[${PYTHON_USEDEP}]
+	>=dev-python/hypothesis-6.0.0[${PYTHON_USEDEP}]
+	>=dev-python/mypy-0.910.0[${PYTHON_USEDEP}]
+"
+
+distutils_enable_tests pytest
diff --git a/dev-python/soundfile/Manifest b/dev-python/soundfile/Manifest
new file mode 100644
index 00000000000..9451fccc642
--- /dev/null
+++ b/dev-python/soundfile/Manifest
@@ -0,0 +1 @@
+DIST soundfile-0.12.1.gh.tar.gz 38409 BLAKE2B b6428f2d904c6cd5123e54c22c0a6313e419ca0c19f645efc1efb81c0b9fa8c6317e9490de2634700a1857b3185798035380ef31aeec41ef517b52b10d8ca398 SHA512 91bac4ffee849c9d322494fa411f027571282ce5ea0fbd7dd41f54afa3ef3d86d8aeb674e2a33ac50abb5828de3694863ee7c40fda38860c678260dd614f607b
diff --git a/dev-python/soundfile/soundfile-0.12.1.ebuild b/dev-python/soundfile/soundfile-0.12.1.ebuild
new file mode 100644
index 00000000000..9e77ed61f8e
--- /dev/null
+++ b/dev-python/soundfile/soundfile-0.12.1.ebuild
@@ -0,0 +1,31 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( pypy3 python3_{10..13} )
+
+inherit distutils-r1
+
+DESCRIPTION="SoundFile is an audio library based on libsndfile, CFFI, and NumPy"
+HOMEPAGE="https://github.com/bastibe/python-soundfile/"
+SRC_URI="
+	https://github.com/bastibe/python-soundfile/archive/${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+S="${WORKDIR}/python-soundfile-${PV}"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+
+RDEPEND="
+	media-libs/libsndfile
+	dev-python/numpy[${PYTHON_USEDEP}]
+	$(python_gen_cond_dep '
+		>=dev-python/cffi-1.0.0[${PYTHON_USEDEP}]
+	' 'python*')
+"
+
+distutils_enable_tests pytest
diff --git a/sci-libs/torchaudio/Manifest b/sci-libs/torchaudio/Manifest
new file mode 100644
index 00000000000..0059647a605
--- /dev/null
+++ b/sci-libs/torchaudio/Manifest
@@ -0,0 +1 @@
+DIST torchaudio-2.4.1.tar.gz 4503000 BLAKE2B 85ae91bb564996f95c9116802058968dff191d4771becbb859987afd3b78189980b31281c5c49088fe91a72a02170dafe865f8bbb4168af6aeafe42f4029c09b SHA512 84c196a19bedefd39c7c1bc690705e317aaba9e16aa52a71dfa5688faf50ffa1985008c59007939ad7096c7900c5450659efb12e0a393c4545fe4bd31f294b11
diff --git a/sci-libs/torchaudio/metadata.xml b/sci-libs/torchaudio/metadata.xml
new file mode 100644
index 00000000000..445ee5c8c44
--- /dev/null
+++ b/sci-libs/torchaudio/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<use>
+		<flag name="rocm">Enable ROCm gpu computing support</flag>
+		<flag name="rnnt">Enable custom RNN-T loss function</flag>
+	</use>
+	<upstream>
+		<remote-id type="github">pytorch/vision</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/sci-libs/torchaudio/torchaudio-2.4.1.ebuild b/sci-libs/torchaudio/torchaudio-2.4.1.ebuild
new file mode 100644
index 00000000000..6e1067764d4
--- /dev/null
+++ b/sci-libs/torchaudio/torchaudio-2.4.1.ebuild
@@ -0,0 +1,80 @@
+# Copyright 2020-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..12} )
+DISTUTILS_SINGLE_IMPL=1
+DISTUTILS_USE_PEP517=setuptools
+DISTUTILS_EXT=1
+ROCM_SKIP_GLOBALS=1
+inherit cuda distutils-r1 multiprocessing rocm optfeature
+
+DESCRIPTION="Data manipulation and transformation for audio signal processing"
+HOMEPAGE="https://github.com/pytorch/audio"
+SRC_URI="https://github.com/pytorch/audio/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/audio-${PV}"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="cuda rocm ffmpeg openmp +rnnt"
+REQUIRED_USE="?? ( cuda rocm )"
+
+DEPEND="
+	ffmpeg? ( <media-video/ffmpeg-7:= )
+	sci-libs/caffe2[cuda?,rocm?,openmp?]
+"
+RDEPEND="
+	${DEPEND}
+	sci-libs/pytorch[${PYTHON_SINGLE_USEDEP}]
+"
+BDEPEND="
+	test? (
+		$(python_gen_cond_dep '
+			dev-python/expecttest[${PYTHON_USEDEP}]
+			dev-python/numpy[${PYTHON_USEDEP}]
+			dev-python/typing-extensions[${PYTHON_USEDEP}]
+			dev-python/parameterized[${PYTHON_USEDEP}]
+			dev-python/scipy[${PYTHON_USEDEP}]
+			dev-python/scikit-learn[${PYTHON_USEDEP}]
+			dev-python/soundfile[${PYTHON_USEDEP}]
+		')
+	)
+"
+
+distutils_enable_tests pytest
+
+src_compile() {
+	export MAX_JOBS="$(makeopts_jobs)" # Let ninja respect MAKEOPTS
+
+	export USE_CUDA=$(usex cuda 1 0)
+	export USE_ROCM=$(usex rocm 1 0)
+	use rocm && addpredict /dev/kfd
+	export USE_OPENMP=$(usex openmp 1 0)
+	export USE_FFMPEG=$(usex ffmpeg 1 0)
+	export BUILD_SOX=0
+	export BUILD_RNNT=$(usex rnnt 1 0)
+	use ffmpeg && export FFMPEG_ROOT=${EPREFIX}/usr
+
+	distutils-r1_src_compile
+}
+
+EPYTEST_IGNORE=(
+	# librosa
+	test/torchaudio_unittest/prototype/hifi_gan/hifi_gan_cpu_test.py
+	test/torchaudio_unittest/prototype/hifi_gan/hifi_gan_gpu_test.py
+
+	# infinite test?
+	test/torchaudio_unittest/backend/dispatcher/ffmpeg/load_test.py
+)
+
+python_test() {
+	use rocm && check_amdgpu
+
+	epytest -p expecttest
+}
+
+pkg_postinst() {
+	optfeature "SoundFile I/O backend" dev-python/soundfile
+}